
    *{
        padding:0px;
        margin:0px;
        box-sizing: border-box;
    }
    body,html{
        width: 100%;
    }
    body{
        
        overflow-x: hidden;
    }
    ul{
        list-style: none;
    }
    a{
        text-decoration: none;
        color: inherit;
    }
    .cursor{
        cursor: pointer;
    }
    a,
    .cursor{
        -webkit-tap-highlight-color:transparent;
    }
    .flex{
        display:box;
        display: -webkit-box; 
        display: -moz-box;
        display: -webkit-flex; 
        display: -moz-flex; 
        display: -ms-flexbox;
        display: flex;
    }
    .flex-align-items{
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -moz-box-pack:center;
        -webkit-align-items: center;
        align-items: center;
    }
    .flex-justify-content{
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        box-align:center;
    }

    .obj-c{
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .delay-1{
        transition-delay: .1s;
    }
    .delay-2{
        transition-delay: .2s;
    }
    .delay-3{
        transition-delay: .3s;
    }
    html.noScroll body{
        position: fixed;
    }
    .container.fillAll{
        min-height: 100vh;
        flex-direction: column;
        display:box;
        display: -webkit-box; 
        display: -moz-box;
        display: -webkit-flex; 
        display: -moz-flex; 
        display: -ms-flexbox;
        display: flex;
    }
    .fillAll main{
        flex:1;
    }
    #loadingDiv{
        position: fixed;
        width: 100%;
        height: 100%;
        z-index: 1000;
        background: #fff;
        top: 0px;
        left: 0px;
    }

    .gap{
        padding: 0px 4.62%;
    }
    @keyframes opacity{
        from{
            opacity: 1;
        }to{
            opacity: 0;
        }
    }
    @keyframes recoverOpacity{
        from{
            opacity: 0;
        }to{
            opacity: 1;
        }
    }
    body{
        line-height: 1.7;
    }
    header{
        height: 95px;
        align-items: flex-end;
        position: relative;
        z-index: 20;
    }
    header nav{
        width: 100%;
        justify-content: space-between;
    }
    header nav>a img{
        display: none;
    }
    header nav>a .base{
        display: block;
    }
    header nav ul{
        justify-content: flex-end;
        position: relative;
        
    }
    header nav ul li{
        margin-right: 36px;
        flex-shrink: 0;
    }
    header nav ul li:last-child{
        margin-right: 0;
        position: absolute;
        top: calc(50% - 25px);
        width: 4.62vw;
        right: -4.62vw;
    }
    header nav ul li:last-child a{
        position: relative;
        display: block;

    }
    header nav ul li:last-child a .round{
        display: block;
        margin: 0px auto;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        overflow: hidden;
        background: #fa6a00;
        position: relative;
    }
    header nav ul li:last-child a .round img{
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
    }
    header nav ul li:last-child a .txt{
        width: 15px;
        position: absolute;
        left: 50%;
        top: calc(100% + 30px);
        transform: translateX(-50%);
        font-weight: initial;
        line-height: 1.1;
    }
    header nav ul li:last-child a .txt img{
        display: none;
        margin: 0 auto;
        margin-bottom: 30px;
    }
    header nav ul li:last-child a .txt img.base{
        display: block;
    }
    header nav ul li:nth-last-child(2){
        margin-right:78px;
    }
    header nav ul li a{
        color: #8d8d8d;
        transition: color .35s ease;
        font-size: 14px;
        font-weight: bold;
        position: relative;
    }
    header nav ul li a::before{
        content: '';
        position: absolute;
        width: 0%;
        left: 0px;
        bottom: -6px;
        height: 3px;
        background: #fa6a00;
        transition:width 1.4s cubic-bezier(.645,.045,.355,1);
    }
    header nav ul li:last-child a::before{
        display: none;
    }
    header nav ul li a.current::before,
    header nav ul li a.click::before{
        width: 100%;
    }
    header nav ul li a.current::before{
        transition: initial;
    }
    header nav ul li a:hover{
        color: #fa6a00;
    }
    header nav .btn{
        width: 53px;
        height: 45px;
        position: relative;
        right: 53px;
        /*使用transform会导致该元素下的span背景色模糊
        top: 50%;
        transform: translateY(-50%);
        */
        flex-direction: column;
        transition: transform .8s 60ms cubic-bezier(.645,.045,.355,1);
    }
    header nav.flip .btn{
        transform: translateX(calc(-94vw + 53px * 2));
    }
    header nav .btn span{
        width: 19px;
        height: 2px;
        background: #8c8c8c;
    }
    header nav .btn span + span{
        margin-top: 3px;
    }
    header nav .btn span:first-child,
    header nav .btn span:last-child{
        transform-origin: center right;
        transition: transform .8s cubic-bezier(.645,.045,.355,1),background .8s ease;
    }
    header nav .btn span:first-child + span{
        transition:transform .3s cubic-bezier(.645,.045,.355,1),background .8s ease;
    }
    header nav.flip .btn span:first-child{
        transform: translateY(-2px) rotate(-45deg);
    }
    header nav.flip .btn span:first-child + span{
        transform: scaleX(0);
    }
    header nav.flip .btn span:last-child{
        transform: translateY(1px) rotate(45deg);
    }
    header nav .btn::after{
        content: '';
        position: absolute;
        top: 10px;
        bottom: 10px;
        right: 0px;
        width: 1px;
        background: rgba(0,0,0,.2);
    }
    
    main{
        padding-top: 110px;
    }

    footer{
        background: #fff;
        height: 60px;
    }
    footer p{
        height: 100%;
    }
    footer p span{
        font-size: 14px;
    }
    footer p span:last-child{
        margin-left: 30px;
    }